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Open-Access Journal
Editorial
Review
Benedetto Mangiavillano, Nico Pagano, Monica Arena, Stefania Miraglia, Pierluigi Consolo, Giuseppe Iabichino, Clara Virgilio, Carmelo Luigiano 
World J Gastrointest Endosc 7(5):460-480. Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.460
Minireviews
Stefania Ghersi, Lorenzo Fuccio, Marco Bassi, Carlo Fabbri, Vincenzo Cennamo 
World J Gastrointest Endosc 7(5):510-517. Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.510
Tsutomu Nishida, Motohiko Kato, Toshiyuki Yoshio, Tomofumi Akasaka, Teppei Yoshioka, Tomoki Michida, Masashi Yamamoto, Shiro Hayashi, Yoshito Hayashi, Masahiko Tsujii, Tetsuo Takehara 
World J Gastrointest Endosc 7(5):524-531. Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.524
Clinical Trials Study
Guo-Lin He, Ze-Sheng Jiang, Yuan Cheng, Qing-Bo Lai, Chen-Jie Zhou, Hai-Yan Liu, Yi Gao, Ming-Xin Pan, Zhi-Xiang Jian 
World J Gastrointest Endosc 7(5):540-546. Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.540
Observational Study
Neven Ljubičić, Alen Bišćanin, Tajana Pavić, Marko Nikolić, Ivan Budimir, August Mijić, Ana Đuzel 
World J Gastrointest Endosc 7(5):547-554. Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.547
Prospective Study
Nooman Gilani, Sally Stipho, James D Panetta, Sorin Petre, Michele A Young, Francisco C Ramirez 
World J Gastrointest Endosc 7(5):555-562. Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.555
Case Report
Shahira A El-Etreby, Ahmed Y Altonbary, Mohamed El Sorogy, Wagdi Elkashef, Jehan A Mazroa, Monir H Bahgat 
World J Gastrointest Endosc 7(5):567-572. Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.567
Letters To The Editor